| Troina to Montemor-o-Novo | 1,236.86 mi (1,990.54 km) |
| Troina to Montemor-o-Velho | 1,257.77 mi (2,024.19 km) |
| Troina to Montijo | 1,273.43 mi (2,049.39 km) |
| Troina to Mortagua | 1,234.25 mi (1,986.33 km) |
| Troina to Moura | 1,198.63 mi (1,929.01 km) |
| Troina to Murtosa | 1,255.76 mi (2,020.94 km) |
| Troina to Nazare | 1,278.76 mi (2,057.96 km) |
| Troina to Nelas | 1,214.25 mi (1,954.14 km) |
| Troina to Obidos | 1,284.28 mi (2,066.86 km) |
| Troina to Odemira | 1,267.20 mi (2,039.36 km) |
| Troina to Odivelas | 1,287.88 mi (2,072.64 km) |
| Troina to Oeiras | 1,295.83 mi (2,085.44 km) |
| Troina to Olhao | 1,229.84 mi (1,979.23 km) |
| Troina to Oliveira de Azemeis | 1,247.74 mi (2,008.04 km) |
| Troina to Oliveira de Frades | 1,232.17 mi (1,982.98 km) |
